Survey Identifier: S476BS
Format Acronym: MGD77
Data Center File Number: 06110002
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870415
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: Sea Sounder
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Tracy Vallier
Project: SEA476BS Jim Gardner
Survey Departure Date (yyyymmdd): 19760803
Port of Departure: LV KODIAK, AK
Survey Arrival Date (yyyymmdd): 19760914
Port of Arrival: AR DUTCH HARBOR, AK
Navigation Instrumentation: DOP SON, LOR C RR,SATNAV
Bathymetry Instrumentation: 3.5 KHZ BATHYMETRY
Magnetics Instrumentation: MAGNETOMETER
Seismic Instrumentation: SHG CHAN SEISMIC
Topmost Latitude of Survey: +58
Bottommost Latitude: +53
Leftmost Longitude: -172
Rightmost Longitude: -151
General Digitizing Rate of Bathymetry: 25
General Digitizing Rate of Magnetics: 17
General Digitizing Rate of Gravity: 15
Number of Data Records: 49496
Min/Max Data Record:
Date: 1976 08 03
Latitude: +53.85190
Longitude: -171.68372
Bathymetry, 2- Way Traveltime: 000260
Bathymetry, Corrected Depth: 20.0
Magnetics Total Field, 1st Sensor: 501460
Magnetics Residual Field: -04598
Observed Gravity: 9814241
Free-Air Anomaly: -0591
Min/Max Data Record:
Date: 1976 09 14
Latitude: +57.79119
Longitude: -151.84902
Bathymetry, 2- Way Traveltime: 043950
Bathymetry, Corrected Depth: 3265.0
Magnetics Total Field, 1st Sensor: 541370
Magnetics Residual Field: +12615
Observed Gravity: 9817604
Free-Air Anomaly: +1670